278589870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7738

約数の個数: 96

約数和(自身を含む): 805319424

約数和(自身を除く): 526729554

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 186, 195, 234, 279, 310, 390, 403, 465, 558, 585, 806, 930, 1170, 1209, 1395, 2015, 2418, 2790, 3627, 4030, 6045, 7254, 7681, 12090, 15362, 18135, 23043, 36270, 38405, 46086, 69129, 76810, 99853, 115215, 138258, 199706, 230430, 238111, 299559, 345645, 476222, 499265, 599118, 691290, 714333, 898677, 998530, 1190555, 1428666, 1497795, 1797354, 2142999, 2381110, 2995590, 3095443, 3571665, 4285998, 4493385, 6190886, 7143330, 8986770, 9286329, 10714995, 15477215, 18572658, 21429990, 27858987, 30954430, 46431645, 55717974, 92863290, 139294935, 278589870]

約数ペア:

[(1, 278589870), (2, 139294935), (3, 92863290), (5, 55717974), (6, 46431645), (9, 30954430), (10, 27858987), (13, 21429990), (15, 18572658), (18, 15477215), (26, 10714995), (30, 9286329), (31, 8986770), (39, 7143330), (45, 6190886), (62, 4493385), (65, 4285998), (78, 3571665), (90, 3095443), (93, 2995590), (117, 2381110), (130, 2142999), (155, 1797354), (186, 1497795), (195, 1428666), (234, 1190555), (279, 998530), (310, 898677), (390, 714333), (403, 691290), (465, 599118), (558, 499265), (585, 476222), (806, 345645), (930, 299559), (1170, 238111), (1209, 230430), (1395, 199706), (2015, 138258), (2418, 115215), (2790, 99853), (3627, 76810), (4030, 69129), (6045, 46086), (7254, 38405), (7681, 36270), (12090, 23043), (15362, 18135)]